Display screen with a graphical user interface



The FIGURE is a front view of a display screen with a graphical user interface.

The outermost uneven length broken line illustrates a display screen and forms no part of the claimed design. The evenly spaced broken lines, and the broken line showings of all text and icons, illustrate portions of a graphical user interface and form no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 